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06/04/2013 10:00 am ET Updated Jun 05, 2013

Bradley Cooper, New Girlfriend (Maybe) Spotted In Georgetown Ahead Of White House Mental Health Summit

AP

WASHINGTON -- Has Bradley Cooper replaced Zoe Saldana with a mystery woman named Alex?

That was the buzz from Georgetown Sunday night when the former "Sexiest Man Alive" was spotted at The Tombs with "a possible new girlfriend."

Carol Ross Joynt reports:

Cooper seems to have a new girlfriend almost quarterly. Previously he was linked to Zoe Saldana, while of late he’s been making the rounds with British model Suki Waterhouse. But our sources say on Sunday night he was with someone else, a woman named “Alex.” No one else joined them at their corner booth in the pub’s wood-paneled and cozy main room.

The Georgetown University alumnus was in Washington to attend a White House conference on mental health Monday. Cooper became an advocate for mental health awareness after playing a man with bipolar disorder in Oscar-winning film "Silver Linings Playbook."

Earlier this year, Cooper spoke in a Huffington Post blog post about the importance of starting a national conversation around mental illness:

"Silver Linings Playbook" is such a personal movie for David and when we all came together, it became a personal movie for all of us. Tiffany, she serves as a catalyst and she's the first person who actually sees who Pat is. That's the thing that this film has done, people around this country who have seen this film say, "this film actually sees who I am" because it's heavily stigmatized, it's not a very treatable disease and it's a condition that is diagnosed way too late. So hopefully, a movie like this will help it become in the onset. That's the best thing about this movie, that it's able to reach out and make people feel included.

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